NDA2016MathematicsStatisticsActual
What is the mean deviation from the mean of the numbers 10,9,21,16,24 ?
Options
- A5.2
- B5.0
- C4.5
- D4.0
Correct answer
A. 5.2
Step-by-step solution
Given numbers - 10,9,21,16,24 Mean = 10+9+21+16+24 5 = 80 5 =16 array |c|c| Numbers & Distance (d) from mean (16) 10 & 6 9 & 7 21 & 5 16 & 0 24 & 8 array d=26 Mean deviation = d 5 = 26 5 =5.2